unfathomable

adjective

un·​fath·​om·​able ˌən-ˈfa-t͟hə-mə-bəl How to pronounce unfathomable (audio)
: not capable of being fathomed:
b
: impossible to comprehend
unfathomably adverb

Examples of unfathomable in a Sentence

His behavior is completely unfathomable. the unfathomable reaches of space
Recent Examples on the Web Then, around 4:30 p.m., the nightmare scenario that was unfathomable just a few hours earlier became reality. Noah Haggerty, Los Angeles Times, 20 Oct. 2024 These are unfathomable numbers for the layperson, but for an economist, these portend an upward trend that places a significant burden on both the government and individuals. Shakeel Ahmed, Forbes, 16 Oct. 2024 The judge and family members all described the crime as unfathomable. Tracy Neal, arkansasonline.com, 15 Oct. 2024 But the unborn mind is clean, horizon To horizon, its dome over the planet unfathomable blue. T. R. Hummer, The New Yorker, 14 Oct. 2024 See all Example Sentences for unfathomable 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'unfathomable.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1640, in the meaning defined above

Time Traveler
The first known use of unfathomable was in 1640

Dictionary Entries Near unfathomable

Cite this Entry

“Unfathomable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unfathomable. Accessed 4 Nov. 2024.

Kids Definition

unfathomable

adjective
un·​fath·​om·​able ˌən-ˈfat͟h-ə-mə-bəl How to pronounce unfathomable (audio)
: not capable of being fathomed:
b
: impossible to understand

More from Merriam-Webster on unfathomable

Last Updated: - Updated example sentences
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